SOLUTION: a rectangle 30 metres long has the same perimeter of a square 20 metres away find the area of the rectangle with rough work
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Question 974503: a rectangle 30 metres long has the same perimeter of a square 20 metres away find the area of the rectangle with rough work Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! rectangle's width, W, is unknown
length is 30
Perimeter is 60+2W
Square's perimeter is 80 (4*20)
Therefore rectangle's area is 60+2W=80, and width is 10
Area is 30*10=300 sq m.
